Couchbase Lite 2.0 serves as a robust NoSQL embedded data store for mobile platforms such as iOS, Android, and .Net, offering advanced capabilities like SQL-like Query API and Full-Text Search. This new tutorial expands on previous lessons by demonstrating how to bundle, load, and use multiple instances of Couchbase Lite 2.0 in an iOS app, particularly focusing on incorporating a prebuilt database to enhance user experience by reducing data fetching delays. The tutorial guides users through updating the "User Profile" app, showcasing features like user login, profile updates, and selecting universities from a prebuilt database using the Query API. By the end of this tutorial, users will understand how to integrate a prebuilt Couchbase Lite database within their apps and utilize the QueryBuilder API effectively, with future tutorials promising to explore more functionalities of Couchbase Mobile.